AccountsPayable----$40,000Notes Payable----$105,000

AccountsReceivable----$65,000Marketable securities----$36,000

AccruedLiabilities----$38,000Prepaid Expenses----$2,000

Cash----$30,000Sales----$500,000

Inventory----$72,000Costof Goods Sold----$300,000

Equipment----$150,000Operating Expenses----$155,000

Land/Building----$625,000

1. what is the current ratio
2. what is the working capital
3. what is the profit margin
4. what is the return on assets